25572540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{60887}}^1$

素因数の和:60906

約数の個数: 48

約数和(自身を含む): 81833472

約数和(自身を除く): 56260932

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 60887, 121774, 182661, 243548, 304435, 365322, 426209, 608870, 730644, 852418, 913305, 1217740, 1278627, 1704836, 1826610, 2131045, 2557254, 3653220, 4262090, 5114508, 6393135, 8524180, 12786270, 25572540]

約数ペア:

[(1, 25572540), (2, 12786270), (3, 8524180), (4, 6393135), (5, 5114508), (6, 4262090), (7, 3653220), (10, 2557254), (12, 2131045), (14, 1826610), (15, 1704836), (20, 1278627), (21, 1217740), (28, 913305), (30, 852418), (35, 730644), (42, 608870), (60, 426209), (70, 365322), (84, 304435), (105, 243548), (140, 182661), (210, 121774), (420, 60887)]